accuracy

/ˈækjərəsi/ (bre, ipa) · /ˈækjərəsi/ (ame, ipa) · /ˈa-kyə-rə-sē ˈa-k(ə-)rə-/ (ame, mw)

accuracy — 名詞

1. the quality of being free from errors and matching the truth — for example, when

1.名詞B2
釋義

準確性

資訊符合事實、無錯誤的程度

the quality of being free from errors and matching the truth — for example, when a report's numbers are right, or when a translation faithfully reflects what was originally said.

例句

Reporters must check the accuracy of every fact before the story goes to print.

記者在報導付印之前，必須確認每一項事實的準確性。

accuracy of + noun phrase

Sami doubted the accuracy of the weather forecast after three rainy days in a row.

連下了三天雨之後，Sami 開始懷疑氣象預報的準確性。

accuracy of [something predictive]

同義詞
  • correctness

    more about being right on a single point; 'accuracy' often covers a whole report or set of facts

  • exactness

    stresses precise matching of a value; 'accuracy' is broader and works for facts as well as numbers

  • truthfulness

    implies honest intent; 'accuracy' is neutral about intent and only judges the result

反義詞
  • inaccuracy

    the direct opposite — the presence of mistakes or wrong details

  • error

    a single wrong item rather than the overall quality

文法句型

accuracy of [something]

with accuracy

用法筆記

Almost always uncountable. Frequently appears as 'the accuracy of [a claim, report, figure, translation]' when judging whether information matches reality. Distinguish from sense 2: this sense judges information; sense 2 judges performance of a skill.

常見錯誤

❌I want to check accuracies of these numbers.
✅I want to check the accuracy of these numbers.
💡accuracy is uncountable; do not pluralise.
❌The report has a high accurate.
✅The report has a high level of accuracy.
💡use the noun 'accuracy', not the adjective 'accurate'.

2. the ability of a person, machine, or weapon to do a task neatly and hit what is

2.名詞B2
釋義

精準度

動作能精準命中目標、少有失誤

the ability of a person, machine, or weapon to do a task neatly and hit what is aimed at, with very few mistakes — typing fast without typos, throwing a dart into the centre, or shooting a ball into the goal.

例句

Nia can throw a basketball into the hoop with amazing accuracy.

Nia 投籃命中率高得驚人。

with + accuracy (skill)

The young pianist played the difficult piece with both speed and accuracy.

這位年輕鋼琴家把這首難曲彈得又快又精準。

speed and accuracy (paired)

同義詞
  • precision

    stresses very fine, repeatable movements; 'accuracy' stresses hitting the correct target

  • marksmanship

    specifically the skill of shooting; 'accuracy' covers any aimed action

  • deftness

    graceful skill of the hands; 'accuracy' focuses on results, not the look of the movement

反義詞
  • clumsiness

    describes awkward movement that often misses the target

  • sloppiness

    careless work full of small mistakes

文法句型

with accuracy

accuracy in [doing something]

用法筆記

Often paired with 'speed' to judge performance ('speed and accuracy'). Subjects are typically people doing skilled work or machines/weapons aimed at a target. Distinguish from sense 1: this sense rates how well an action is performed, not whether information is true.

常見錯誤

❌She types in accuracy.
✅She types with accuracy.
💡the manner preposition is 'with', not 'in'.
❌His accuracy on shooting is great.
✅His accuracy in shooting is great.' / 'His shooting accuracy is great.
💡use 'in + activity' or a compound noun.